To which Charter does the UN assign the primary responsibility for the maintenance of international peace and security?

The United Nations Charter assigns primary responsibility for the maintenance of international peace and security to the Security Council. The Security Council is endowed with a range of powers to take measures to prevent and resolve conflicts, uphold peace agreements, and respond to threats to international stability. This includes the ability to impose sanctions, authorize military action, and oversee peacekeeping operations. The decisions made by the Security Council are binding on all UN member states, underscoring its crucial role in managing global security issues.

The other charters mentioned serve different purposes: the Human Rights Charter focuses on promoting and protecting human rights; the Trusteeship Charter addresses the administration of trust territories and their advancement towards self-governance; and the Economic and Social Charter aims to promote international economic and social cooperation. Each of these charters contributes to the broader mission of the UN but does not hold the specific responsibility for maintaining peace and security as designated to the Security Council.